package com.fog.judge.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.fog.judge.entity.Teacher;
import com.fog.judge.entity.User;

public interface UserService extends IService<User> {

    public boolean existsByUsername(String username);

    public boolean deleteUserByUsername(String username);

    public User findUserById(int id);

    void deleteUser(String ids);

}
